As enthusiasm grows for 3-D printers, so does a familiar complaint to just about everyone still living in a 2-D inkjet world: the maddeningly high cost and inefficiency of replacement cartridges.
You already know printer ink is expensive. Actually, it’s one of priciest liquids you buy. Ounce-per-ounce, even the cheapest ink (about $13 an ounce) costs more than fine Champagne. But here’s the ...
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